head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.

Execution · Competitive PvP
A basketball sim testing stick execution and reading opponents on court.

Execution · Competitive PvP
Stick precision and constant prediction of a human opponent's tactical habits.
NBA 2K6 leans Execution (Competitive PvP); Pro Evolution Soccer 2015 leans Execution (Competitive PvP).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
NBA 2K6
Stick skills, timing shots and dribbling carry play
Pro Evolution Soccer 2015
First touch, through-ball timing and finishing demand precise sticks
Pro Evolution Soccer 2015 leans a little harder on reads, though the gap is small.
NBA 2K6
Human opponents online require reading and faking
Pro Evolution Soccer 2015
Human opponents bait, switch tactics and punish habits
NBA 2K6 leans a little harder on variance, though the gap is small.
NBA 2K6
Shot success and AI have some randomness
Pro Evolution Soccer 2015
Deflections and referee calls add bounded chaos
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
NBA 2K6
Play calling, roster and matchup management matter
Pro Evolution Soccer 2015
Formations, player roles and set pieces reward study
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.